Car Batteries
Pontiac Firebird

When testing a 1992 Fire bird headlight motors from the battery and they work but there is no power coming from the wiring harness and one checked the fuse box and nothing wrong where to check next?

Answer

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Wiki User
June 07, 2007 9:24PM

Most electrical components also use a relay so check for one, then check the headlight switch itself. The switch will tell the motors to activate via the relay.